Channel 4 HD and All4 to leave Freesat on 22nd February 2018 All 4 and 4HD will be leaving Freesat on Thursday 22nd February, 2018. Channel 4 is still available in standard definition, but any recordings you have scheduled for 4HD will need to be re-set in SD (via channel 104). Channel 4 hasn’t provided [URL="http://www.satandpcguy.com/2018/02/20/channel-4-hd-and-all4-to-leave-freesat-on-22n